Description
Specifications
27 1/4×27 1/4×41 1/4
Right Swing
U.L. Class 350 Fire Protection
Underwriters Laboratories established five fire resistant classifications for record protection. These classifications are based on the type, length, and severity of the test given each classification.
The classification ratings are:
- 350-4 hour
- 350-2 hour
- 350-1 hour
- Insulated record container 350-1 hour
- Insulated record device 350-1 hour
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